Candidate Degree (Ph.D)  1982 

Doctorate Degree (Habilitation)  1990

Humboldt Research Fellowship  1994/95

Humboldt Senior Research Award 2003 

Plenary ICCM 2007 talk

Gehring Visiting Professorship at the University of Michigan 2010

Invited ICM talk 2014

AMS Fellow 2014 

Simons Fellowship 2017/18